Home / 75,394.36-112,919.27-35,979.15

Finding the Fourth Proportional to 75,394.36, 112,919.27 and 35,979.15

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Solution

The fourth proportional to 75,394.36, 112,919.27 and 35,979.15 is: 53,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,394.36 : 112,919.27 = 35,979.15 : x
  2. Step 2: Convert to fraction form
    75,394.36/112,919.27 = 35,979.15/x
  3. Step 3: Cross multiply
    75,394.36x = 112,919.27 × 35,979.15
  4. Step 4: Simplify right side
    75,394.36x = 4,062,739,353.22
  5. Step 5: Solve for x
    x = 4,062,739,353.22/75,394.36
  6. Step 6: Final answer
    x = 53,886.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.